Only valid if time balance is not ESS_TIMEBAL_NONE.
| Value | Description |
|---|---|
| ESS_SKIP_NONE | Don't skip anything |
| ESS_SKIP_MISSING | Skip the value if the data is #missing |
| ESS_SKIP_ZEROS | Skip the value if the data is 0 |
| ESS_SKIP_BOTH | Skip the value if the data is #missing or 0 |